Definition of relicts:
(n) :
(formal) Something that, or someone who, survives or remains or is left over after the loss of others; a relic.
(n) :
(biology, ecology) A species, organism, or ecosystem that has survived from a previous age: one that was once widespread but is now found only in a few areas.
(adj) :
Surviving, remaining.
(adj) :
That is a relict; pertaining to a relict.
(n) :
(geology) A structure or other feature that has survived from a previous age.
(n) :
(linguistics) A survival of an archaic word, language or other form.